Fix SDL crash on specific hardware.

Patch by Mike Scheutzow, mjs973 optonline net

Originally committed as revision 24801 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Scheutzow 2010-08-17 07:47:44 +00:00 committed by Carl Eugen Hoyos
parent f7b8c81460
commit cb036f905f

View File

@ -1373,6 +1373,14 @@ static void alloc_picture(void *opaque)
vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
SDL_YV12_OVERLAY,
screen);
if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
/* SDL allocates a buffer smaller than requested if the video
* overlay hardware is unable to support the requested size. */
fprintf(stderr, "Error: the video system does not support an image\n"
"size of %dx%d pixels. Try using -vf \"scale=w:h\"\n"
"to reduce the image size.\n", vp->width, vp->height );
do_exit();
}
SDL_LockMutex(is->pictq_mutex);
vp->allocated = 1;